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<TITLE>实时更新数据的jQuery图表插件DEMO演示</TITLE>

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<script type="text/javascript" src="js/highcharts.js"></script>

<script type="text/javascript">
$(function () {                                                                     
$(document).ready(function() {                                                  
	Highcharts.setOptions({                                                     
		global: {                                                               
			useUTC: false                                                       
		}                                                                       
	});

	var chart;
	$('#container').highcharts({                                                
		chart: {                                                                
			type: 'spline',                                                     
			animation: Highcharts.svg, // don't animate in old IE               
			marginRight: 10,                                                    
			events: {                                                           
				load: function() {

					// set up the updating of the chart each second             
					var series = this.series[0];                                
					setInterval(function() {
						var x = (new Date()).getTime(), // current time
							y = Math.random();
						series.addPoint([x, y], true, true);
					}, 1000);
				}                                                               
			}                                                                   
		},                                                                      
		title: {                                                                
			text: 'CPU动态走势图--1秒'
		},                                                                      
		xAxis: {                                                                
			type: 'datetime',                                                   
			tickPixelInterval: 100
		},                                                                      
		yAxis: {
			title: {
				text: 'CPU动态走势图--1秒'
			},
			plotLines: [{
				value: 0,
				width: 1,
				color: '#808080'
			}]
		},                                                                      
		tooltip: {                                                              
			formatter: function() {                                             
					return '<b>'+ this.series.name +'</b><br/>'+
					Highcharts.dateFormat('%Y-%m-%d %H:%M:%S', this.x) +'<br/>'+
					Highcharts.numberFormat(this.y, 2);
			}                                                                   
		},                                                                      
		legend: {                                                               
			enabled: false                                                      
		},                                                                      
		exporting: {                                                            
			enabled: false                                                      
		},                                                                      
		series: [{                                                              
			name: 'Random data',
			marker:{
				enabled:false
			}
			data: (function() {
				// generate an array of random data
				var data = [],
					time = (new Date()).getTime(),
					i;

				for (i = -19; i <= 0; i++) {
					data.push({
						x: time + i * 1000,
						y: Math.random()
					});
				}
				return data;                                                    
			})()                                                                
		}]                                                                      
	});                                                                         
});                                                                             
																				
});               
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